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05cf8a6ecc
vmctl: support of the remote read protocol Signed-off-by: hagen1778 <roman@victoriametrics.com> Co-authored-by: hagen1778 <roman@victoriametrics.com>
71 lines
2.6 KiB
Go
71 lines
2.6 KiB
Go
// Copyright The OpenTelemetry Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package asyncfloat64 // import "go.opentelemetry.io/otel/metric/instrument/asyncfloat64"
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import (
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"context"
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"go.opentelemetry.io/otel/attribute"
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"go.opentelemetry.io/otel/metric/instrument"
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)
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// InstrumentProvider provides access to individual instruments.
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type InstrumentProvider interface {
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// Counter creates an instrument for recording increasing values.
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Counter(name string, opts ...instrument.Option) (Counter, error)
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// UpDownCounter creates an instrument for recording changes of a value.
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UpDownCounter(name string, opts ...instrument.Option) (UpDownCounter, error)
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// Gauge creates an instrument for recording the current value.
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Gauge(name string, opts ...instrument.Option) (Gauge, error)
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}
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// Counter is an instrument that records increasing values.
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type Counter interface {
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// Observe records the state of the instrument.
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//
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// It is only valid to call this within a callback. If called outside of the
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// registered callback it should have no effect on the instrument, and an
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// error will be reported via the error handler.
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Observe(ctx context.Context, x float64, attrs ...attribute.KeyValue)
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instrument.Asynchronous
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}
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// UpDownCounter is an instrument that records increasing or decreasing values.
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type UpDownCounter interface {
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// Observe records the state of the instrument.
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//
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// It is only valid to call this within a callback. If called outside of the
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// registered callback it should have no effect on the instrument, and an
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// error will be reported via the error handler.
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Observe(ctx context.Context, x float64, attrs ...attribute.KeyValue)
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instrument.Asynchronous
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}
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// Gauge is an instrument that records independent readings.
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type Gauge interface {
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// Observe records the state of the instrument.
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//
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// It is only valid to call this within a callback. If called outside of the
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// registered callback it should have no effect on the instrument, and an
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// error will be reported via the error handler.
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Observe(ctx context.Context, x float64, attrs ...attribute.KeyValue)
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instrument.Asynchronous
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}
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